Add 7/72 and 90/40
1st number: 7/72, 2nd number: 2 10/40
7/72 + 90/40 is 169/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
7/72 = 7 × 5/72 × 5 = 35/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
90/40 = 90 × 9/40 × 9 = 810/360 - Add the two like fractions:
35/360 + 810/360 = 35 + 810/360 = 845/360 - 845/360 simplified gives 169/72
- So, 7/72 + 90/40 = 169/72
In mixed form: 225/72
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